China Good Quality Alpha Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa factory and suppliers

Good Quality Alpha Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa

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Good Quality Alpha Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa Detail:

Applications

CA application

Specification

Model No.

Chemical Composition(%)

True Density

Apparent Density

Grain Size D50

+325 Mesh

Original Crystal D50

Features

Recommended Applications

Al2O3
≥%

SiO2
≤%

Fe2O3
≤%

Na2O
≤%

LOI
≤%

g/cm3
≥

g/cm3
＞

D50
(μm)

＜%

D50(μm)

CA1A

99.5

0.05

0.03

0.10

0.1

3.97

>0.95

~70

5.0-6.0

1. High temperature calcination
2. Low sodium
3. Large crystal
4. High conversion rate
5. Stable shrinkage. Good fluidity
6. High insulation performance
7. High mechanical strength

1. High-performance ceramics, such as vacuum tubes
2. Especially suitable for hot -pressing casting process

CA1D

99.5

0.05

0.03

0.08

0.1

3.95

>0.90

3.0-4.0

1. Low sodium
2. Moderate crystal size
3. Good particle size distribution
4. Small shrinkage and stability

1. Spark plugs
2. Vacuum tubes
3. Wear-resistant ceramics, etc.
4. More suitable for static pressure, dry-pressing and other forming processes

CA1

99.5

0.05

0.03

0.10

0.1

3.95

>0.90

3.0-3.8

1. Static kiln calcination
2. Low sodium
3. Moderate crystal size
4. Good particle size distribution
5. High porcelain density

1. Mainly used in electronic ceramics
2. Especially suitable for Hot die casting process

CA2

99.5

0.08

0.03

0.08

0.1

3.96

>0.90

2.8-3.8

1. Low sodium
2. Strict crystal size control
3. Good fluidity
4. Stable shrinkage

1. Electronic ceramics, structural ceramics
2. Especially suitable for Hot die casting process

CA2G

0.15

>0.90

3.0-3.5

< 3.0

1. CA2 full grinding
2. Particle size control stability
3. Low sodium
4. Shrinkage stability

1. Electronic ceramics
2. Structural ceramics, more suitable for making ceramic rollers

CA3

99.5

0.05

0.03

0.04

0.1

3.96

>0.85

~70

2.0-2.6

1. Strict control of firing temperature
2. Small crystal size
3. Good particle distribution
4. Pretty-low sodium

Suitable for electronic ceramics, such as IC substrates

CA3G

0.1

2.4-2.9

<1.0

Fully grinding of CA3

CA4

99.5

0.05

0.03

0.10

0.1

3.93

>0.90

~70

1.0-1.8

1. Good activity
2. Low sodium
3. High density after firing
4. Stable shrinkage
5. High mechanical strength

1. Structural ceramics
2. Electronic ceramics
3. 99 alumina ceramic granulation powder material
4. Suitable for extrusion molding process as well

CA4G

0.1

>0.60

1.5-2.2

<1.0

Fully grinding of CA4

CA5

99.5

0.05

0.02

0.05

0.1

3.92

~70

＜1.0

1. Small & unifrom crystal size
2. Good activity

99 alumina ceramic hot die casting process, etc

CA5G

1-1.3

<1.0

1. Small & unifrom crystal size
2. Good activity
3. Fully grinding
4. Narrow particle size distribution

Ceramic filter,etc

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Alpha Alumina